.box1{
    width:100px;
    height:100px;
    background-color:green
}
.box2{
    width:150px;
    height:100px;
    font-size:70px;
    font-family:"宋体"
    color：#999999；
}
.box3{
    font-size:20px
    font-family:"宋体"
    color:#999999;
}
#box11{
    float:left;
}
#box22{
    float:left;
}
#box33{
    float:left;
}
.clear{
    clear:both;
}